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Huaguang darkroom copy film YZ-800 has the characteristics of high contrast, sharp dot, wide developing adaptability, and fast developing at high temperature.

Unpacking：

The film for daylight loading can be loaded in the special cassette of image copying machine under daylight.

The film for darkroom loading should be loaded in the special cassette of image copying machine under special dark red light or totally dark.

Be careful when operating in order to prevent film damaged from friction, folding, oil and fingerprint, etc.

Exposure：

Exposure is determined by photoplotter characteristics and developing processing conditions. The best exposure must be based on different types of photoplotters through different exposure tests to obtain. Simultaneously the development time and the temperature also have a great influence on the quality of the image. Therefore, adjusting the exposure of photoplotter as well as fine-tuning the developing temperature and time appropriately can ensure high quality images obtained under the specific exposure conditions.

Processing：

Huaguang HG-681/881 are recommended, others of same kind are also applicable.

Main features：

● High contrast and resolution;

● Low fog and high density;

● Sharp dot, excellent image quality;

● Suitable for rapid access at high temperature, wide exposure and developing latitude.

Storage：

Store the films in a cool and dry place. Storage temperature is not higher than 20°C and RH no more than 65%. Being too warm and humid will shorten the films’ shelf life.

Avoid radiation or corrosion of other substances and sunshine.

Guarantee period：

18 months